Isotopically Labeled Compounds
Medchemexpress LLC 2-iodoacetamide-d4 | 1219802-64-8 | MFCD06658608 | 99.9% | 188.99 | C2D4INO | 10 MG
2-Iodoacetamide-d4 is the deuterium-labeled analog of 2-iodoacetamide, an alkylating reagent commonly used to modify cysteine residues during proteomics sample preparation. The labeled compound is used as an internal standard or tracer in mass spectrometry workflows and has specified stability and storage recommendations for powdered and solution forms.
- Deuterium-labeled analog for isotope-dilution MS.
- Suitable for cysteine alkylation in proteomics sample preparation.
- High purity (99.9%) appropriate for analytical use.
- Small pack sizes available for method development.
- Stable when stored under recommended conditions.
Cambridge Isotope Laboratories 1,2-DIBROMOETHANE (1,2-13C2, 99%) AIR FREIGHT FORBIDDEN, 1 G, 33458-49-0
1,2-DIBROMOETHANE (1,2-13C2, 99%) AIR FREIGHT FORBIDDEN, 1 G, 33458-49-0
Cambridge Isotope Laboratories AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY, 10 MG, 202114-48-5
Medchemexpress LLC Ethyl cinnamate-d5 | 856765-68-9 | 99.7% | 181.24 | C11H7D5O2 | 25mg
Ethyl cinnamate-d5 is the deuterium labeled Ethyl cinnamate[1] Ethyl cinnamate is a fragrance ingredient used in many fragrance compounds Ethyl cinnamate is a food flavor and additive for cosmetic products Ethyl cinnamate is also an excellent clearing reagent for mammalian tissues[2][3]
Medchemexpress LLC Taurocholic acid-d4 sodium | 2410279-93-3 | MFCD29472034 | 98.2% | 541.71 | C26H40D4NNaO7S | 10 MG
Taurocholic acid-d4 sodium is the deuterium-labeled (d4) sodium salt of taurocholic acid supplied as a white to off-white solid. It is designed for use as an isotopically labeled internal standard or tracer in quantitative analytical methods, including NMR, LC-MS, and GC-MS, supporting accurate measurement of taurocholic acid. The material is supplied in small analytical packs and should be stored sealed, away from moisture, at recommended temperatures.
- Isotopically labeled (d4) sodium salt for use as an internal standard.
- Suitable for NMR, LC-MS, and GC-MS quantification.
- High purity (>98%) with supporting documentation.
- White to off-white solid, easily handled in analytical workflows.
- Stable under recommended storage conditions to preserve integrity.
Medchemexpress LLC D-Fructose-13C6 | 201595-65-5 | 25 MG
D-Fructose-13C6 is a 13C labeled D-Fructose, a naturally occurring monosaccharide that targets endogenous metabolites and metabolic enzyme/protease pathways. It is primarily used as a laboratory chemical for the manufacture of substances and can serve as a tracer or internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Molecular weight: 186.11
- Molecular formula: 13C6H12O6
- Appearance: White to off-white solid
- Purity (HPLC): 99.89%
- Isotopic enrichment: 98.48%
- Soluble in water: 250 mg/mL
- Used as a tracer or internal standard for quantitative analysis
- Not classified as a hazardous substance or mixture
Medchemexpress LLC Ranolazine-d3 | 1054624-77-9 | MFCD00864690 | 99.5% | 430.56 | C24H30D3N3O4 | 10 MG
Deuterium-labeled ranolazine (d3) for research use as an analytical tracer and internal standard. The compound inhibits the late inward sodium current (INa) and the rapid delayed rectifier potassium current (IKr), and acts as a partial fatty acid oxidation inhibitor; it is intended for method development and quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled tracer suitable for quantitation and metabolic studies.
- Purity 99.5%.
- Molecular formula C24H30D3N3O4; molecular weight 430.56.
- Soluble ≥100 mg/mL in DMSO for in vitro applications.
- Recommended storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC L-glutamine-15N2 | 204451-48-9 | MFCD00084216 | 99.1% | 148.13 | C5H10(15N)2O3 | 10 MG
L-Glutamine-15N2 is the 15N2 isotopically labeled form of the amino acid L-glutamine, supplied as a solid powder for tracer and analytical work. It is intended for use in metabolic flux analysis, NMR, and LC-MS/MS experiments that require 15N labeling.
- Stable isotope labeled amino acid for tracer and isotope-labeling studies.
- High chemical purity and isotopic enrichment suitable for LC-MS and NMR workflows.
- Available in small research pack sizes, including a 10 mg vial.
- Soluble in water and DMSO with specified solubility and handling instructions.
- Store powder at -20°C for long-term stability; follow solvent storage recommendations.
Cambridge Isotope Laboratories DIETHYLAMINE (DIMETHYL-D6, 98%), 0.1 G
DIETHYLAMINE (DIMETHYL-D6, 98%), 0.1 G
Cayman Chemical ProstaglndIn F2a-d4 25ug
An internal standard for the quantification of PGF2α by GC- or LC-MS.
Cambridge Isotope Laboratories D-MANNITOL (1-13C, 98%), 1 G, 132202-29-0
D-MANNITOL (1-13C, 98%), 1 G, 132202-29-0
Cayman Chemical PalmItIc AcId-d2 1g
An internal standard for the quantification of palmitic acid by GC- or LC-MS